Examples with ListViewItemStateListener org.apache.pivot.wtk.ListViewItemStateListener used on opensource projects

Example 1 with ListViewItemStateListener

use of org.apache.pivot.wtk.ListViewItemStateListener in project pivot by apache.

the class CheckedListViewTest method startup.

@Override
public void startup(Display display, Map<String, String> properties) throws Exception {
    BXMLSerializer serializer = new BXMLSerializer();
    mainWindow = (Window) serializer.readObject(CheckedListViewTest.class, "checked_list_view_test.bxml");
    serializer.bind(this);
    allowMixedStateCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setAllowTriStateCheckmarks(button.isSelected());
            // Not sure why, but changing this setting clears all the checks but doesn't
            // trigger the item state listener (it's documented, but ...)
            selectedItemsLabel.setText("");
        }
    });
    showMixedAsSelectedCheckbox.getButtonPressListeners().add(new ButtonPressListener() {

        @Override
        public void buttonPressed(Button button) {
            listView.setCheckmarksMixedAsChecked(button.isSelected());
        }
    });
    listView.getComponentKeyListeners().add(new ComponentKeyListener() {

        @Override
        public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
            if (keyCode == Keyboard.KeyCode.DELETE) {
                @SuppressWarnings("unchecked") List<Object> listData = (List<Object>) listView.getListData();
                Sequence<Span> selectedRanges = listView.getSelectedRanges();
                for (int i = selectedRanges.getLength() - 1; i >= 0; i--) {
                    Span selectedRange = selectedRanges.get(i);
                    listData.remove(selectedRange.start, selectedRange.end - selectedRange.start + 1);
                }
            }
            return false;
        }
    });
    listView.getListViewItemStateListeners().add(new ListViewItemStateListener() {

        private void displayCheckedItems(ListView listView) {
            List<?> listData = listView.getListData();
            StringBuffer buf = new StringBuffer();
            for (Integer i : listView.getCheckedIndexes()) {
                if (buf.length() > 0) {
                    buf.append(",");
                }
                Object item = listData.get(i);
                buf.append(item.toString());
            }
            selectedItemsLabel.setText(buf.toString());
        }

        @Override
        public void itemCheckedChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }

        @Override
        public void itemCheckedStateChanged(ListView listView, int index) {
            displayCheckedItems(listView);
        }
    });
    listView.setItemChecked(0, true);
    listView.setItemChecked(2, true);
    mainWindow.open(display);
}